CN104904515A - Smart flowerpot and water potential and weight based control method - Google Patents

Smart flowerpot and water potential and weight based control method Download PDF

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Publication number
CN104904515A
CN104904515A CN201510325312.4A CN201510325312A CN104904515A CN 104904515 A CN104904515 A CN 104904515A CN 201510325312 A CN201510325312 A CN 201510325312A CN 104904515 A CN104904515 A CN 104904515A
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China
Prior art keywords
water
flowerpot
weight
plant
chip microcomputer
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CN201510325312.4A
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CN104904515B (en
Inventor
吴文福
陈龙
张娜
韩峰
张亚秋
徐岩
尹慧敏
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Changchun Shenyang Electromechanical Co Ltd
Jiangsu Tianyang Food Machinery Co Ltd
Jilin University
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Changchun Shenyang Electromechanical Co Ltd
Jiangsu Tianyang Food Machinery Co Ltd
Jilin University
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Priority to CN201510325312.4A priority Critical patent/CN104904515B/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/003—Controls for self-acting watering devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/005—Reservoirs connected to flower-pots through conduits
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/02—Self-acting watering devices, e.g. for flower-pots having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses a smart flowerpot and a water potential and weight based control method. The smart flowerpot comprises a closed air bag, a temperature and humidity sensor, a weight sensor, a water supply device, a communication module, a single-chip microcomputer, a flowerpot body and a plant. By means of the technology of Internet of Things, a terminal of the communication module can control and manage growth conditions of the plant at any time anywhere; water potential of leaves can be calculated by temperature and humidity and can judge whether the plant is short of water or not, whether the plant is short of water or not can be monitored in real time, and lagging in monitoring is overcome. In addition, by the water potential and weight based control method, watering of the plant can be accurately controlled so as to prevent too much or too less water.

Description

A kind of intelligent flowerpot and the control method based on the flow of water and weight
Technical field
The present invention relates to Smart Home field.More particularly, the present invention relates to a kind of intelligent flowerpot, and a kind of automatic control flowerpot adds water and the control method of amount of water.
Background technology
Along with the progress of society, the quality of life of people there has also been raising, and increasing family focuses on healthy living environment.At home, place some pot flowers in the environment of working and learning and both by photosynthesis absorbing carbon dioxide, can purify the air of a room, can also mould our sentiment, the life of let us, working and learning are more joyful.The normal growth of plant is but the major issue that fears are entertained that, and one of maximum influence factor of this problem is exactly that plant needs suitable moisture.If people goes out in family, no one looks after plant, and probably flowers wither.
Earlier application " Intelligent automatic flower watering system " patent No.: ZL200920071406.3, this patent relates in a kind of daily life field the intelligent flower-watering system of watering flowers.The humidity sensor wherein used can detect soil moisture automatically, soil moisture is reached to the effect of adjustment under the effect of controller and electric-controlled switch valve, vegetation is grown under optimum humidity.That mentions in this patent manually and the method for watering flowers of the automatic dual-purpose of intelligence, can also proposed multiple mode of watering.But this patent adopt be Temperature Humidity Sensor measure soil humidity change control moisture, in a period of time, the humidity change of soil is very little, be not easy very much the change of measuring moisture, secondly Temperature Humidity Sensor is put in soil for a long time, moisture crosses conference affects sensor, even makes sensor degradation.
Earlier application " a kind of intelligent flowerpot " patent No.: CN103004515A, the intelligent flowerpot of this patent, the humidity data prestored required for all kinds of plant growth in the memory of single-chip microcomputer, the corresponding class plant of each button on keyboard, when after the selection one class plant that pushes button, intelligent flowerpot automatic irrigation plant, saves manpower and prevents situation improperly of watering to occur.Adopt be moisture detector to detect the humidity of the earth of basin bottom, also have water-storing bottle come to supply water to flowerpot.But the humidity value of the earth bottom flowerpot can not humidity environment required for On behalf of plant, and the humidity value of bottom earth is general all very high, can not as the factor judging plant whether lack of water.The capacity of water-storing bottle is too little simultaneously, can not meet the long-time required water amount of plant.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and defect, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of airtight air bag, itself and blade form closed environment with simulating plant environment, temperature and relative humidity in air bag detects the temp. and humidity of plant, and the leaf water potential utilizing Hygrothermograph to calculate judges plant whether lack of water, can Real-Time Monitoring plant whether lack of water, overcome the hysteresis quality of monitoring.
A further object of the invention is by weight sensor, controls the amount of water of plant, to prevent from watering dilutional hyponatremia or very few.
A further object of the invention adopts technology of Internet of things, the upgrowth situation of the terminal that can utilize communication module control and management plant whenever and wherever possible.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of intelligent flowerpot, comprising:
Airtight air bag, it is arranged on plant leaf blade, forms microenvironment with simulating plant environment with blade;
Temperature sensor and humidity sensor, be arranged in airtight air bag, measures the temperature and humidity of airtight air bag;
Weight sensor, it is positioned at bottom flowerpot, can measure the gross weight of flowerpot, plants and soil;
Water supply installation, it comprises the first pipeline and second pipe, the electric control valve that the first Pipe installing has switch controlled, and second pipe installs manually-operated gate, and described water supply installation is arranged on flowerpot side;
Communication module, it has network connecting function can be connected to control terminal in order to transmit data, and described communication module is fixedly mounted on the side of flowerpot;
Single-chip microcomputer, it is connected with humidity sensor, humidity sensor and weight sensor, electric control valve, and described single-chip microcomputer receives epidemic disaster and weight signal and controls the switch of electric control valve; Whether described single-chip microcomputer also connects alarm and manually-operated gate, control alarm equipment alarm and detect manually-operated gate to open;
Wherein, described single-chip microcomputer is connected with communication module, and the control terminal data of communication module are transferred to single-chip microcomputer, controls the switch of electric control valve.
Preferably, the first pipeline of wherein said water supply installation is in parallel with second pipe.
Preferably, wherein said water supply installation also comprises: storage tank, and its inside is Large Copacity water tank; Described storage tank is connected with second pipe with the first pipeline simultaneously; Delivery port, is separately positioned on the end of the first pipeline and second pipe, and described delivery port is connected with flowerpot.
Preferably, wherein said single-chip microcomputer can control alarm equipment alarm, when monitoring manual valve-opening then alarm closedown; When manual valve-opening not detected, Single-chip Controlling electric control valve is opened and is closed alarm.
Preferably, epidemic disaster, weight signal and alarm signal can be transferred to control terminal by communication module by wherein said single-chip microcomputer, and control terminal can send the order of whether opening electric control valve.
Preferably, the control terminal of wherein said communication module is one or more in calculator, mobile phone, controller.
Object of the present invention can also be realized by a kind of control method based on the flow of water and weight further, and the method comprises the following steps:
Step one: the relative moisture ERH in the airtight air bag of temperature sensor measurement in temperature T, the airtight air bag of humidity sensor measurement α, the gross weight W of flowerpot, plants and soil measured by weight sensor;
Step 2: single-chip microcomputer receives temperature T and relative moisture ERH in air bag α, calculate the absolute humidity EAH of air bag now α:
EAH α = ERH α × AH r | RH r = 100 %
Wherein, EAH αfor the absolute humidity in airtight air bag, unit is mmHg; ERH αfor the relative moisture in airtight air bag, be percentage; AH rfor air absolute humidity, unit is mmHg;
Step 3: according to temperature T, relative moisture ERH α, calculate the leaf water potential E of inside plants now α;
E α＝RT αlnEAH α
Wherein, E αfor the leaf water potential of plant, unit is mmHg; R is pervasive gas constant, R=0.461Jmol -1k -1; Wherein T αfor Kelvin, unit is K, i.e. T α=T+273;
Step 4:
(1) when time plant be in exsiccosis, Single-chip Controlling electric control valve is opened, and weight sensor monitors its weight when reaching W', controls electric control valve and closes;
Amount of water Q=W'-W now
Wherein, Q is amount of water, and unit is KG; W is the gross weight of flowerpot before adding water, plants and soil, and unit is KG; W' is the gross weight of flowerpot after adding water, plants and soil, and unit is KG;
The empirical equation obtaining amount of water Q according to leaf water potential, temperature, humidity and weight is as follows:
Q = 0.0805 × W × [ ( T ERH α ) 0.12 - 1 ] × l n ( E α E α ‾ + 1 )
Wherein, T temperature is the temperature of temperature sensor measurement, and unit is DEG C; ERH αfor the relative moisture of humidity sensor measurement, be percentage; for the standard leaf water potential of plant, unit is mmHg;
(2) when time plant in the water yield be in poised state or over-saturation state, Single-chip Controlling electric control valve close.
Preferably, air absolute humidity AH in wherein said step 2 rutilize following formulae discovery:
AH r = 100 × E X P ( 87.72 × lg ( RH r ) + 0.9845 × ( 1737.1 - 474242 273 + t r ) - 273 87.72 )
Wherein, AH rfor air absolute humidity, unit is mmHg; RH rfor relative humidity of atomsphere, unit is mmHg; t rfor atmospheric temperature, unit is DEG C;
Preferably, in wherein said step 4: when time, before execution Single-chip Controlling electric control valve is opened, single-chip microcomputer can also control alarm equipment alarm, does not monitor manual valve-opening in 3 minutes, then control electrically operated valve and open and close alarm; When monitoring manual valve-opening, electric control valve is kept to close and close alarm.
Preferably, the standard leaf water potential of wherein said plant be prestored in single-chip microcomputer.
The present invention at least comprises following beneficial effect: 1, blade is arranged airtight airbag structure, therefore, it is possible to simulating plant environment, temperature and relative humidity in air bag detects the temp. and humidity of plant, and the leaf water potential utilizing Hygrothermograph to calculate judges plant whether lack of water, can Real-Time Monitoring plant whether lack of water, overcome the hysteresis quality of monitoring; 2, the control method based on the flow of water and weight is adopted, therefore, it is possible to control the amount of water of plant, to prevent from watering dilutional hyponatremia or very few; 3, technology of Internet of things is adopted, the upgrowth situation of the terminal that can utilize communication module control and management plant whenever and wherever possible.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of intelligent flowerpot of the present invention.
Fig. 2 is the another kind of structural representation of intelligent flowerpot of the present invention.
Fig. 3 is the schematic diagram that intelligent flowerpot of the present invention employing Fine spray shower nozzle waters.
Fig. 4 is the schematic diagram that intelligent flowerpot of the present invention employing root waters.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 shows according to a kind of way of realization of the present invention, and intelligent flowerpot comprises airtight air bag 110, sensor 120, water supply installation 130, communication module 140, single-chip microcomputer 150, basin body 160 and plant 170.
The waterproofing membrane of the polyvinyl alcohol material that airtight air bag 110 is, airtight air bag 110 is arranged on plant leaf blade, and itself and blade form closed environment, and the very little so that closed environment of the volume of airtight air bag 110 can simulating plant environment.
Sensor 120, comprises temperature sensor and humidity sensor 121 and weight sensor 122.Temperature sensor and humidity sensor 121 are arranged in airtight air bag 110, measure the temperature and humidity of airtight air bag 110; Weight sensor 122 is arranged on basin bottom, measures the gross weight of flowerpot, plants and soil; Described sensor 120 can detect the gross weight of the temperature of airtight air bag 110, humidity and measurement flowerpot, plants and soil in real time.
Water supply installation 130, comprises storage tank 131, first pipeline 132, electric control valve 133, second pipe 134, manually-operated gate 135 and delivery port 136.Storage tank 131 is jumbo water storage apparatus, can store institute's water requirement in the 2-6 week of plant 170; First pipeline 132 and second pipe 134 parallel with one another, the upper end of two pipelines is connected with storage tank 131, and end is delivery port 136, and water flows into basin body 160 by delivery port 136; Wherein, electric control valve 133 installed by the first pipeline 132, second pipe 134 is installed manually-operated gate 135, manually valve 135 can realize manually watering to plant 170.
Communication module 140, it has network connecting function can be connected to control terminal in order to transmit data, and described communication module 140 is fixedly mounted on the side of flowerpot.
Single-chip microcomputer 150, its with temperature sensor and humidity sensor 121 and weight sensor 122, electric control valve 133 be connected.After single-chip microcomputer 150 receives epidemic disaster and weight signal, signal is carried out processing opening of rear control electric control valve 133, the meanwhile gross weight of weight sensor 122 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 150 reaches predetermined value, and it controls electric control valve 133 and closes.
In another kind of example, described single-chip microcomputer 150 also connects communication module 140, and the control terminal data of communication module 140 are transferred to single-chip microcomputer 150, also can control the switch of electric control valve 133.After single-chip microcomputer 150 receives epidemic disaster and weight signal, signal is carried out process rear judgement plant 170 and be in exsiccosis, single-chip microcomputer 150 also can connect communication module 140 by this Signal transmissions to control terminal, control terminal sends the instruction of opening electric control valve 133, after single-chip microcomputer 150 receives instruction, control opening of electric control valve 133, the meanwhile gross weight of weight sensor 122 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 150 reaches predetermined value, and it controls electric control valve 133 and closes.
In another kind of example, described single-chip microcomputer 150 also connects alarm 180 and manually-operated gate 135.After single-chip microcomputer 150 receives epidemic disaster and weight signal, signal is carried out process rear judgement plant 170 and be in exsiccosis, single-chip microcomputer 150 controls alarm 180 and reports to the police, and open when monitoring manually-operated gate 135, alarm 180 cuts out; When not detecting that manually-operated gate 135 is opened, single-chip microcomputer 150 controls electric control valve 133 and opens and cut out alarm 180, the meanwhile gross weight of weight sensor 122 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 150 reaches predetermined value, and it controls electric control valve 133 and closes.
In another kind of example, the control terminal of described communication module 140 is one or more in calculator, mobile phone, controller.
Intelligent flowerpot utilizes a kind of control method based on the flow of water and weight in sum, said method comprising the steps of:
Step one: Temperature Humidity Sensor 121 measures temperature T, relative moisture ERH in airtight air bag 110 α, the gross weight W of flowerpot, plants and soil measured by weight sensor 122;
Step 2: single-chip microcomputer 150 receives temperature T and relative moisture ERH in airtight air bag 110 α, calculate the absolute humidity EAH of airtight air bag 110 now α:
EAH α = ERH α × AH r | RH r = 100 %
Wherein, EAH αfor the absolute humidity in airtight air bag, unit is mmHg; ERH αfor the relative moisture in airtight air bag, be percentage; AH rfor air absolute humidity, unit is mmHg;
Wherein, air absolute humidity AH rutilize following formulae discovery:
AH r = 100 × E X P ( 87.72 × lg ( RH r ) + 0.9845 × ( 1737.1 - 47424 L 273 + t r ) - 273 87.72 )
Wherein, AH rfor air absolute humidity, unit is mmHg; RH rfor relative humidity of atomsphere, unit is mmHg; T rfor atmospheric temperature, unit is DEG C; The exponential function that it is the truth of a matter that EXP represents with natural logrithm e.
Step 3: according to temperature T, relative moisture ERH α, calculate the leaf water potential E of inside plants now α;
E α＝RT αlnEAH α
Wherein, E αfor the leaf water potential of plant, unit is mmHg; R is pervasive gas constant, R=0.461Jmol -1k -1; Wherein T αfor Kelvin, unit is K, i.e. T α=T+273;
Step 4:
(1) when time, plant is in exsiccosis, and single-chip microcomputer 150 controls electric control valve 133 and opens, and weight sensor 122 monitors weight when reaching W', controls electric control valve 133 and closes;
Amount of water Q=W'-W now
Wherein, Q is amount of water, and unit is KG; W is the gross weight of flowerpot before adding water, plants and soil, and unit is KG; W' is the gross weight of flowerpot after adding water, plants and soil, and unit is KG;
The empirical equation obtaining amount of water Q according to leaf water potential, temperature, humidity and weight is as follows:
Q = 0.0805 × W × [ ( T ERH α ) 0.12 - 1 ] × l n ( E α E α ‾ + 1 )
Wherein, T temperature is the temperature of temperature sensor measurement, and unit is DEG C; ERH αfor the relative moisture of humidity sensor measurement, be percentage; for the standard leaf water potential of plant, unit is mmHg;
(2) when time plant in the water yield be in poised state, single-chip microcomputer 150 keeps electric control valve 133 to cut out.
Standard leaf water potential in above-mentioned control program for leaf water potential when the Plant Leaf flow of water reaches equal with the air flow of water, now ignore the impact of pressure and gravity and the temperature T of plant αwith the temperature T of air requal, standard leaf water potential computational methods are:
E α ‾ = RT α lnEAH α = RT r lnEAH r
Wherein, EAH rfor the absolute humidity of air, unit is mmHg; t rfor atmospheric temperature, unit is DEG C.
In another kind of example, described single-chip microcomputer 150 also connects alarm 180 and manually-operated gate 135.After single-chip microcomputer 150 receives epidemic disaster and weight signal, signal is carried out processing rear judgement time, control before electric control valve 133 opens at execution single-chip microcomputer 150, single-chip microcomputer 150 can also control alarm 180 and report to the police, and open when monitoring manually-operated gate 135, alarm 180 cuts out; When not detecting in 3 minutes that manually-operated gate 135 is opened, single-chip microcomputer 150 controls electric control valve 133 and opens and cut out alarm 180, the meanwhile gross weight of weight sensor 122 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 150 reaches predetermined value, and it controls electric control valve 133 and closes.
Single-chip microcomputer 150 in such scheme judges whether a kind of implementation of lack of water is plant 170: by the standard leaf water potential of described plant be stored in single-chip microcomputer control program.
Fig. 2 shows according to another kind of version of the present invention, and intelligent flowerpot comprises airtight air bag 210, sensor 220, water supply installation 230, communication module 240, single-chip microcomputer 250, basin body 260 and plant 270.Wherein, water supply installation comprises running water pipe 231, first pipeline 232 and electric control valve 233 and delivery port 236, and be directly connected to replace storage tank with running water pipe 231 by the first pipeline 232, delivery port 236 is arranged on basin body 260; Single-chip microcomputer 250 connects Temperature Humidity Sensor 221, weight sensor 222, electric control valve 233 and communication module 240, after single-chip microcomputer 250 receives epidemic disaster and weight signal, is carried out processing rear judgement by signal time, control opening of electric control valve 233, water inputs by running water pipe 231, the meanwhile gross weight of weight sensor 222 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 250 reaches predetermined value W', and single-chip microcomputer 250 controls electric control valve 233 and cuts out.
In another kind of example, described single-chip microcomputer 250 also connects communication module 240, and the control terminal data of communication module 240 are transferred to single-chip microcomputer 250, also can control the switch of electric control valve 233.After single-chip microcomputer 150 receives epidemic disaster and weight signal, signal is carried out processing rear judgement time, single-chip microcomputer 250 also can connect communication module 240 by this Signal transmissions to control terminal, control terminal sends the instruction of opening electric control valve 233, after single-chip microcomputer 250 receives instruction, control opening of electric control valve 133, water inputs by running water pipe 231, the meanwhile gross weight of weight sensor 222 Real-Time Monitoring flowerpot, plants and soil, the weight signal received when single-chip microcomputer 250 reaches predetermined value W', and it controls electric control valve 233 and closes.
Fig. 3 shows the version that intelligent flowerpot delivery port adopts Fine spray shower nozzle.Wherein delivery port 236 is arranged on directly over plant 270, and it adopts Fine spray shower nozzle to carry out water spray pouring.
Fig. 4 shows the version that intelligent flowerpot delivery port adopts root to water.Wherein delivery port 236 is arranged on directly over the root of plant 270 and soil intersection, and its mode adopting root to water carries out water spray pouring.
As mentioned above, the present invention has following beneficial effect: 1, blade is arranged airtight airbag structure, therefore, it is possible to simulating plant environment, temperature and relative humidity in air bag detects the temp. and humidity of plant, and the leaf water potential utilizing Hygrothermograph to calculate judges plant whether lack of water, can Real-Time Monitoring plant whether lack of water, overcome the hysteresis quality of monitoring; 2, the control method based on the flow of water and weight is adopted, therefore, it is possible to control the amount of water of plant, to prevent from watering dilutional hyponatremia or very few; 3, technology of Internet of things is adopted, the upgrowth situation of the terminal that can utilize communication module control and management plant whenever and wherever possible.
Although embodiment of the present invention are open as above, it is not restricted to listed in specification and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (10)

1. an intelligent flowerpot, is characterized in that, comprising:
Airtight air bag, it is arranged on plant leaf blade, forms microenvironment with simulating plant environment with blade;
Temperature sensor and humidity sensor, be arranged in airtight air bag, measures the temperature and humidity of airtight air bag;
Weight sensor, it is positioned at bottom flowerpot, can measure the gross weight of flowerpot, plants and soil;
Water supply installation, it comprises the first pipeline and second pipe, the electric control valve that the first Pipe installing has switch controlled, and second pipe installs manually-operated gate, and described water supply installation is arranged on flowerpot side;
Communication module, it has network connecting function can be connected to control terminal in order to transmit data, and described communication module is fixedly mounted on the side of flowerpot;
Single-chip microcomputer, it is connected with temperature sensor, humidity sensor and weight sensor, electric control valve, and described single-chip microcomputer receives epidemic disaster and weight signal and controls the switch of electric control valve; Whether described single-chip microcomputer also connects alarm and manually-operated gate, control alarm equipment alarm and detect manually-operated gate to open;
Wherein, described single-chip microcomputer is connected with communication module, and the control terminal data of communication module are transferred to single-chip microcomputer, controls the switch of electric control valve.
2. intelligent flowerpot as claimed in claim 1, it is characterized in that, the first pipeline of described water supply installation is in parallel with second pipe.
3. the intelligent flowerpot according to any one of claim 1 and 2, it is characterized in that, described water supply installation also comprises:
Storage tank, its inside is Large Copacity water tank; Described storage tank is connected with second pipe with the first pipeline simultaneously;
Delivery port, is separately positioned on the end of the first pipeline and second pipe, and described delivery port is connected with flowerpot.
4. intelligent flowerpot as claimed in claim 1, it is characterized in that, described single-chip microcomputer can control alarm equipment alarm, when monitoring manual valve-opening then alarm closedown; When manual valve-opening not detected, Single-chip Controlling electric control valve is opened and is closed alarm.
5. intelligent flowerpot as claimed in claim 4, it is characterized in that, epidemic disaster, weight signal and alarm signal can be transferred to control terminal by communication module by described single-chip microcomputer, and control terminal can send the order of whether opening electric control valve.
6. intelligent flowerpot as claimed in claim 1, is characterized in that, the control terminal of described communication module is one or more in calculator, mobile phone, controller.
7., based on a control method for the flow of water and weight, use the intelligent flowerpot according to any one of claim 1-6, it is characterized in that, comprise the following steps:
Step one: the relative moisture ERH in the airtight air bag of temperature sensor measurement in temperature T, the airtight air bag of humidity sensor measurement α, the gross weight W of flowerpot, plants and soil measured by weight sensor;
Step 2: single-chip microcomputer receives temperature T and relative moisture ERH in air bag α, calculate the absolute humidity EAH of air bag now α:
Wherein, EAH αfor the absolute humidity in airtight air bag, unit is mmHg; ERH αfor the relative moisture in airtight air bag, be percentage; AH rfor air absolute humidity, unit is mmHg;
Step 3: according to temperature T, relative moisture ERH α, calculate the leaf water potential E of inside plants now α;
E α＝RT αlnEAH α
Wherein, E αfor the leaf water potential of plant, unit is mmHg; R is pervasive gas constant, R=0.461Jmol -1k -1; Wherein T αfor Kelvin, unit is K, i.e. T α=T+273;
Step 4:
(1) when time plant be in exsiccosis, Single-chip Controlling electric control valve is opened, and weight sensor monitors its weight when reaching W', controls electric control valve and closes;
Amount of water Q=W'-W now
Wherein, Q is amount of water, and unit is KG; W is the gross weight of flowerpot before adding water, plants and soil, and unit is KG; W' is the gross weight of flowerpot after adding water, plants and soil, and unit is KG;
The empirical equation obtaining amount of water Q according to leaf water potential, temperature, humidity and weight is as follows:
Wherein, T temperature is the temperature of temperature sensor measurement, and unit is DEG C; ERH αfor the relative moisture of humidity sensor measurement, be percentage; for the standard leaf water potential of plant, unit is mmHg;
(2) when time plant in the water yield be in poised state, Single-chip Controlling electric control valve close.
8., as claimed in claim 7 based on the control method of the flow of water and weight, it is characterized in that, air absolute humidity AH in described step 2 rutilize following formulae discovery:
Wherein, AH rfor air absolute humidity, unit is mmHg; RH rfor relative humidity of atomsphere, unit is mmHg; t rfor atmospheric temperature, unit is DEG C.
9., as claimed in claim 7 based on the control method of the flow of water and weight, it is characterized in that, in described step 4: when time, before execution Single-chip Controlling electric control valve is opened, single-chip microcomputer can also control alarm equipment alarm, does not monitor manual valve-opening in 3 minutes, then control electrically operated valve and open and close alarm; When monitoring manual valve-opening, electric control valve is kept to close and close alarm.
10. the control method based on the flow of water and weight according to any one of claim 7 and 9, is characterized in that, the standard leaf water potential of described plant be prestored in single-chip microcomputer.
CN201510325312.4A 2015-06-15 2015-06-15 A kind of intelligent flowerpot and the control method based on the flow of water Yu weight Active CN104904515B (en)

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